/* ============================================================
   Tenth Square Ventures — house style
   Palette mirrors the group's research brand:
   navy #1F3864 · green square #17894E · gold #B08A2E
   ============================================================ */

:root {
  --navy: #1F3864;
  --navy-soft: #2E74B5;
  --green: #17894E;
  --gold: #B08A2E;
  --ink: #1F2937;
  --muted: #6B7280;
  --line: #E3E9F2;
  --wash: #F7FAFF;
  --band: #F2F6FC;
  --paper: #FFFFFF;
  --serif: "Cormorant Garamond", Georgia, "Times New Roman", serif;
  --body: Georgia, "Times New Roman", serif;
  --sans: "Segoe UI", -apple-system, Arial, sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--body);
  font-size: 1.0625rem;
  line-height: 1.7;
  color: var(--ink);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; }

.wrap {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* ---------- header ---------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(6px);
  border-bottom: 1px solid var(--line);
}

.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding-top: 0.8rem;
  padding-bottom: 0.8rem;
  flex-wrap: wrap;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  text-decoration: none;
}

.brand-square {
  width: 1.45rem;
  height: 1.45rem;
  border: 0.3rem solid var(--green);
  flex: 0 0 auto;
}

.brand-name {
  font-family: var(--serif);
  font-size: 1.32rem;
  font-weight: 700;
  color: var(--navy);
  letter-spacing: 0.09em;
  text-transform: uppercase;
  white-space: nowrap;
}

.site-nav {
  display: flex;
  gap: 1.6rem;
  flex-wrap: wrap;
}

.site-nav a {
  font-family: var(--sans);
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
  text-decoration: none;
  padding: 0.25rem 0;
  border-bottom: 2px solid transparent;
}

.site-nav a:hover,
.site-nav a.active {
  color: var(--navy);
  border-bottom-color: var(--gold);
}

/* ---------- hero ---------- */

.hero {
  background: linear-gradient(180deg, var(--wash) 0%, var(--paper) 100%);
  border-bottom: 1px solid var(--line);
  overflow: hidden;
}

.hero .wrap {
  display: grid;
  grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
  align-items: center;
  gap: 2.5rem;
  padding-top: 5rem;
  padding-bottom: 5rem;
}

.kicker {
  font-family: var(--sans);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 1.1rem;
}

.hero h1 {
  font-family: var(--serif);
  font-size: clamp(2.6rem, 6vw, 4.1rem);
  font-weight: 600;
  line-height: 1.08;
  color: var(--navy);
  margin-bottom: 1.3rem;
}

.hero .lede {
  font-size: 1.18rem;
  color: var(--ink);
  max-width: 34em;
  margin-bottom: 2.1rem;
}

.hero-mark {
  justify-self: center;
}

.hero-mark svg { display: block; }

/* ---------- buttons ---------- */

.btn-row { display: flex; gap: 0.9rem; flex-wrap: wrap; }

.btn {
  display: inline-block;
  font-family: var(--sans);
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  text-decoration: none;
  padding: 0.8rem 1.7rem;
  border-radius: 4px;
  transition: background 0.15s ease, color 0.15s ease;
}

.btn-primary {
  background: var(--navy);
  color: #fff;
  border: 1px solid var(--navy);
}

.btn-primary:hover { background: #16294a; }

.btn-ghost {
  background: transparent;
  color: var(--navy);
  border: 1px solid var(--navy);
}

.btn-ghost:hover { background: var(--band); }

/* ---------- sections ---------- */

.section { padding: 4.5rem 0; }

.section.band {
  background: var(--band);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.section-head { max-width: 44em; margin-bottom: 2.6rem; }

.section h2 {
  font-family: var(--serif);
  font-size: clamp(1.9rem, 4vw, 2.5rem);
  font-weight: 600;
  color: var(--navy);
  line-height: 1.15;
  padding-bottom: 0.55rem;
  border-bottom: 2px solid var(--gold);
  display: inline-block;
  margin-bottom: 1.1rem;
}

.section-head p { color: var(--muted); font-size: 1.05rem; }

/* ---------- division cards ---------- */

.cards {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.5rem;
}

.card {
  background: var(--paper);
  border: 1px solid var(--line);
  border-top: 3px solid var(--navy);
  border-radius: 6px;
  padding: 1.9rem 1.7rem 1.6rem;
  box-shadow: 0 1px 3px rgba(31, 56, 100, 0.07);
  display: flex;
  flex-direction: column;
  transition: box-shadow 0.15s ease, transform 0.15s ease;
}

.card:hover {
  box-shadow: 0 6px 18px rgba(31, 56, 100, 0.12);
  transform: translateY(-2px);
}

.card-glyph {
  width: 1.1rem;
  height: 1.1rem;
  border: 0.24rem solid var(--green);
  margin-bottom: 1.1rem;
}

.card h3 {
  font-family: var(--serif);
  font-size: 1.45rem;
  font-weight: 700;
  color: var(--navy);
  line-height: 1.2;
  margin-bottom: 0.35rem;
}

.card .motto {
  font-style: italic;
  color: var(--gold);
  font-size: 0.98rem;
  margin-bottom: 0.9rem;
}

.card p.desc { font-size: 0.98rem; margin-bottom: 1rem; }

.card ul {
  list-style: none;
  margin-bottom: 1.4rem;
  flex: 1;
}

.card ul li {
  font-family: var(--sans);
  font-size: 0.88rem;
  color: var(--ink);
  padding: 0.32rem 0 0.32rem 1.3rem;
  position: relative;
}

.card ul li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72rem;
  width: 0.5rem;
  height: 0.5rem;
  border: 0.14rem solid var(--green);
}

.card .more {
  font-family: var(--sans);
  font-size: 0.84rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--navy);
  text-decoration: none;
}

.card .more:hover { color: var(--gold); }

/* ---------- principles ---------- */

.principles {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 2.2rem;
  margin-top: 2.4rem;
}

.principle h3 {
  font-family: var(--serif);
  font-size: 1.28rem;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 0.5rem;
}

.principle p { font-size: 0.98rem; color: var(--ink); }

.principle .num {
  font-family: var(--serif);
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--gold);
  letter-spacing: 0.12em;
  display: block;
  margin-bottom: 0.55rem;
}

/* ---------- about / story ---------- */

.story {
  display: grid;
  grid-template-columns: minmax(0, 3fr) minmax(0, 2fr);
  gap: 3rem;
  align-items: start;
}

.story p { margin-bottom: 1.1rem; }

.name-note {
  background: var(--paper);
  border: 1px solid var(--line);
  border-left: 4px solid var(--green);
  border-radius: 0 6px 6px 0;
  padding: 1.5rem 1.6rem;
  box-shadow: 0 1px 3px rgba(31, 56, 100, 0.06);
}

.name-note .big {
  font-family: var(--serif);
  font-size: 2.1rem;
  font-weight: 600;
  color: var(--navy);
  line-height: 1.15;
  margin-bottom: 0.6rem;
}

.name-note p { font-size: 0.96rem; color: var(--muted); margin: 0; }

/* ---------- contact ---------- */

.contact-box { text-align: center; max-width: 40em; margin: 0 auto; }

.contact-box h2 { border-bottom: none; }

.contact-box .rule {
  width: 4rem;
  height: 2px;
  background: var(--gold);
  margin: 0 auto 1.4rem;
}

.contact-email {
  font-family: var(--serif);
  font-size: clamp(1.4rem, 3.4vw, 2rem);
  font-weight: 600;
  color: var(--navy);
  text-decoration: none;
  border-bottom: 2px solid var(--gold);
}

.contact-email:hover { color: var(--green); border-bottom-color: var(--green); }

.contact-box p.sub { color: var(--muted); margin-top: 1.1rem; font-size: 0.98rem; }

/* ---------- division page ---------- */

.page-hero {
  background: linear-gradient(180deg, var(--wash) 0%, var(--paper) 100%);
  border-bottom: 1px solid var(--line);
  padding: 3.6rem 0 3.2rem;
}

.crumb {
  font-family: var(--sans);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 1rem;
}

.crumb a { color: var(--muted); text-decoration: none; }
.crumb a:hover { color: var(--navy); }
.crumb span { color: var(--gold); }

.page-hero h1 {
  font-family: var(--serif);
  font-size: clamp(2.2rem, 5vw, 3.4rem);
  font-weight: 600;
  color: var(--navy);
  line-height: 1.1;
  margin-bottom: 0.9rem;
}

.page-hero .lede { font-size: 1.14rem; max-width: 38em; }

.content { max-width: 46em; margin: 0 auto; }

.content h2 {
  font-family: var(--serif);
  font-size: 1.75rem;
  font-weight: 600;
  color: var(--navy);
  padding-bottom: 0.45rem;
  border-bottom: 2px solid var(--gold);
  display: inline-block;
  margin: 2.4rem 0 1rem;
}

.content h2:first-child { margin-top: 0; }

.content p { margin-bottom: 1.1rem; }

.content ul { margin: 0 0 1.2rem 1.2rem; }
.content ul li { margin-bottom: 0.5rem; }

.pull {
  font-family: var(--serif);
  font-size: 1.45rem;
  font-style: italic;
  color: var(--navy);
  border-left: 4px solid var(--green);
  padding: 0.4rem 0 0.4rem 1.3rem;
  margin: 2rem 0;
  line-height: 1.4;
}

/* ---------- sibling divisions strip ---------- */

.siblings {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.3rem;
  margin-top: 1.8rem;
}

.sibling {
  display: block;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 1.2rem 1.4rem;
  text-decoration: none;
  box-shadow: 0 1px 3px rgba(31, 56, 100, 0.06);
  transition: box-shadow 0.15s ease;
}

.sibling:hover { box-shadow: 0 5px 14px rgba(31, 56, 100, 0.12); }

.sibling .s-name {
  font-family: var(--serif);
  font-size: 1.18rem;
  font-weight: 700;
  color: var(--navy);
  display: block;
  margin-bottom: 0.2rem;
}

.sibling .s-desc {
  font-family: var(--sans);
  font-size: 0.86rem;
  color: var(--muted);
}

/* ---------- people ---------- */

.people-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 380px));
  gap: 1.5rem;
  justify-content: center;
}

.person {
  background: var(--paper);
  border: 1px solid var(--line);
  border-top: 3px solid var(--navy);
  border-radius: 6px;
  padding: 2.2rem 2rem 1.9rem;
  text-align: center;
  box-shadow: 0 1px 3px rgba(31, 56, 100, 0.07);
}

.person .avatar {
  width: 5.6rem;
  height: 5.6rem;
  margin: 0 auto 1.2rem;
  border: 0.45rem solid var(--green);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--serif);
  font-size: 2.1rem;
  font-weight: 700;
  color: var(--navy);
  letter-spacing: 0.04em;
}

.person h3 {
  font-family: var(--serif);
  font-size: 1.55rem;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 0.2rem;
}

.person .role {
  font-family: var(--sans);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 1rem;
}

.person p.bio {
  font-size: 0.98rem;
  text-align: left;
}

/* ---------- footer ---------- */

.site-footer {
  background: var(--navy);
  color: #C9D4E8;
  padding: 2.8rem 0 2.2rem;
  margin-top: 4rem;
}

.site-footer .top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 2rem;
  flex-wrap: wrap;
  margin-bottom: 1.8rem;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--serif);
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: #fff;
}

.footer-brand .brand-square { border-color: var(--green); width: 1.1rem; height: 1.1rem; border-width: 0.24rem; }

.footer-nav { display: flex; gap: 1.5rem; flex-wrap: wrap; }

.footer-nav a {
  font-family: var(--sans);
  font-size: 0.82rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: #C9D4E8;
  text-decoration: none;
}

.footer-nav a:hover { color: #fff; }

.site-footer .disclaimer {
  font-family: var(--sans);
  font-size: 0.78rem;
  line-height: 1.6;
  color: #9FB0CF;
  border-top: 1px solid rgba(255, 255, 255, 0.15);
  padding-top: 1.4rem;
  max-width: 62em;
}

.site-footer .copyright {
  font-family: var(--sans);
  font-size: 0.78rem;
  color: #9FB0CF;
  margin-top: 1rem;
}

/* ---------- responsive ---------- */

@media (max-width: 860px) {
  .hero .wrap { grid-template-columns: 1fr; padding-top: 3.2rem; padding-bottom: 3.2rem; }
  .hero-mark { display: none; }
  .cards { grid-template-columns: 1fr; }
  .principles { grid-template-columns: 1fr; gap: 1.6rem; }
  .story { grid-template-columns: 1fr; gap: 1.8rem; }
  .siblings { grid-template-columns: 1fr; }
  .section { padding: 3.2rem 0; }
}

@media (max-width: 560px) {
  .brand-name { font-size: 1.05rem; letter-spacing: 0.07em; }
  .site-nav { gap: 1rem; }
}